Our knowledge of the reaches of the NSA spying program keeps getting greater and greater — perhaps to the detriment of our foreign policy. Meanwhile, UK police say they've found a gun created by a 3D printer, but have they? Today's Global Scan.
A pair of researchers in Florida developed a startling hypothesis over a round of golf: Tracking fish could tell us more about meteorological patterns around the world. Two years later, that hypothesis is bearing out, with great impacts for science.